<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <h1>留言板</h1>
    <textarea rows="5" cols="100" >

    </textarea>
    <div>
        <h2>名字</h2>
        <input type="text">
        <button>提交</button>
    </div>
    <!-- <input type="text"> -->

</body>
</html>